WO2013154267A1 - Système pour fournir un contenu de cours à l'aide de matériels de cours et de données synchronisées, et procédé pour fournir un contenu de cours - Google Patents

Système pour fournir un contenu de cours à l'aide de matériels de cours et de données synchronisées, et procédé pour fournir un contenu de cours Download PDF

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Publication number
WO2013154267A1
WO2013154267A1 PCT/KR2013/001623 KR2013001623W WO2013154267A1 WO 2013154267 A1 WO2013154267 A1 WO 2013154267A1 KR 2013001623 W KR2013001623 W KR 2013001623W WO 2013154267 A1 WO2013154267 A1 WO 2013154267A1
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Prior art keywords
lecture
data
terminal
student
online
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PCT/KR2013/001623
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English (en)
Korean (ko)
Inventor
오만석
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주식회사 케이티
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Publication of WO2013154267A1 publication Critical patent/WO2013154267A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/20—Education

Definitions

  • the present invention relates to a lecture contents providing system and a lecture contents providing method, and more particularly, to a lecture contents providing system and a lecture contents providing method for recording and providing lecture data of voice and writing generated in a lecture textbook as synchronization information. It is about.
  • Online lecture content is produced as a real-time broadcast content or pre-produced as a multimedia file and provided to the user terminal at the request of the user. Then, the user terminal reproduces the received online lecture content and outputs it to the screen and the speaker of the user terminal.
  • Korean Patent No. 10-0446073 as a prior art discloses a remote lecture system using a video.
  • the disclosed patent converts a video file, a lecture description file, and a script file into a media file and stores it in a database of a server.
  • the server provides the media file stored in the database to the user terminal. Thereafter, the user terminal plays the received media file through the corresponding media player.
  • the prior art has the following problems.
  • the server side requires a video recording device, an encoding device, a multimedia production device, and a construction cost of a streaming server.
  • the learner received one-sided media file including video lectured by the instructor from the server and learned by himself.
  • the file size was large.
  • smooth file provision is not possible due to an increase in communication traffic for a large file.
  • the present invention is to solve the above-described problems, lecture contents providing system and lecture contents providing the contents of the lecture by recording the contents of the lecture described by voice and writing about the textbook data as synchronization information during the interactive online lecture between the instructor and students It aims at providing the provision method.
  • the lecture contents including voice data, control events, and handwriting data generated for the lecture text data displayed on the screen of the lecturer terminal are received from the lecturer terminal and the student terminal, and provided to the lecturer and the student.
  • a synchronization information recording unit for recording data of the lecture contents generated at the instructor terminal during the online lecture in synchronization with time;
  • the lecture server including a content providing unit for providing the lecture text data and the recorded synchronization information as lecture content at the request of the user.
  • control event is an event that controls the screen display of the lecture teaching material data by a key input or a mouse input of the instructor terminal, the student terminal using the control event received from the lecture server the student terminal In the same way as the instructor terminal can control the display of the textbook data.
  • the online lecture progress unit the lecturer data receiving unit for receiving the contents of the lecture from the lecturer terminal in the online lecture;
  • a student data receiver configured to receive lecture contents including voice data and handwritten data of the student from each student terminal connected to the online lecture;
  • a voice providing unit for recording the voice data extracted from the lecture contents respectively received from the lecturer terminal or the student terminal and providing the recorded voice data to another terminal in a connection;
  • a screen providing unit configured to provide the control event and the writing data extracted from the lecture contents to another terminal that is connected.
  • the lecture server receives an identifier identifying whether the lecture content is shared data shared among all users or personal data used only by the individual, and provides the lecture content to another terminal in the case of the identifier of the shared data. do.
  • the lecture server generates and provides control event and writing data of the lecture contents as extensible markup language (XML) data
  • XML data includes user ID, location information and display information of teaching material data, shared data and personal data. It includes an identifier for identifying a handwriting position, handwriting content, the size of the handwriting content, the color and thickness of the pen, and data information of the referenced database.
  • the synchronization information recording unit may include a voice file in which voice data is recorded; XML data in which control events and handwriting data are recorded; And synchronization information including a time stamp synchronized with time information of the voice file and recording reference information of the XML data to be displayed on the screen corresponding to a specific time.
  • the student terminal executes the synchronization information received from the lecture server
  • the student terminal plays the voice file with respect to the lecture text data displayed on the screen of the student terminal, and performs time synchronization with reference to the time stamp information.
  • the display event of the textbook data is controlled using the control event, and the writing content is displayed on the screen using the writing data.
  • the student terminal outputs the lecture content of the personal data input by the student to the student terminal in parallel in the process of outputting the lecture content of the shared data by voice and screen by the synchronization information.
  • the method for providing lecture contents using data synchronized with a lecture textbook according to the present invention is to proceed with an online lecture by transmitting voice and screen data of an instructor terminal to a student terminal connected online, and proceeding with an online lecture.
  • What is claimed is: 1.
  • a method of providing lecture contents wherein a lecture server for recording contents of a lecture server executes the following steps, comprising: (a) a lecture text registration step of registering lecture text data from a lecturer terminal; (b) When the online lecture is started, the lecture contents including voice data, control events, and handwriting data generated for the lecture text data displayed on the screen of the lecturer terminal are received from the lecturer terminal and the student terminal, Providing online lecture progress steps; (c) a synchronization information recording step of recording data of the contents of the lecture generated at the instructor terminal during the online lecture in synchronization with time; And (d) providing contents of the lecture teaching material data and the recorded synchronization information as lecture contents after the online lecture is ended.
  • FIG. 5 is a schematic flowchart of a method of providing lecture content according to an embodiment of the present invention.
  • FIG. 7 is a detailed flowchart of a process in which a student terminal receives and plays lecture contents after completion of an online lecture in FIG. 6.
  • the instructor terminal 3 and the student terminal 4 is a computer terminal and a smart terminal (for example, a smart pad) that each application (300, 400) is executed to communicate with the lecture server (2) via a wired, wireless network And smartphones).
  • the input data of the voice and the screen input by the student terminal 4 are transmitted to the instructor terminal 3 and the other student terminal 401 during the online lecture.
  • the voice and screen data inputted from the student by the specific student terminal 4 are recorded in the lecture server ( 2) it is transmitted to the instructor terminal 3 and the other student terminal 401 may be output voice or screen.
  • the input information of the student output to the instructor terminal 3 as a voice or a screen is recorded as synchronization information together with the input information of the instructor described above.
  • the student terminal 4 can also obtain the authority of voice and screen input with the permission of the instructor terminal 3. For example, the student terminal 4 requests the voice or text question to the instructor terminal 3, and when the instructor terminal 3 permits, the student terminal 4 inputs the voice or text question. The student's questions entered by the instructor with permission are shared with the instructor and the entire student.
  • FIG. 3 shows a schematic internal structure of a lecture server 2 according to an embodiment of the invention.
  • the online lecture progress unit 22 receives the voice data, the control event, and the writing data generated during the lecture time from the lecturer terminal 3 with respect to the lecture text data displayed on the screen of the lecturer terminal 3. Receive lecture content that includes In addition, the online lecture progress unit 22 provides the lecture contents to the instructor terminal 3 and the student terminal 4 which are connected to each other to proceed with the online lecture.
  • the said control event is an event which controlled the screen display of the lecture teaching material data displayed on the screen of the instructor terminal 3 by the key input or the mouse input of the instructor terminal 3.
  • various control events generated for lecture text data such as events related to the display of the lecture textbook (eg, position movement, resizing, page change, scroll movement, etc.) and other button input events on the screen.
  • the control event generated by the input of the instructor is transmitted to the student terminal 4 in real time, and the same screen effect as the instructor terminal 3 is generated in the student terminal 4.
  • the control event generated by the student input is transmitted to the instructor terminal 3 and the other student terminal 401 is generated in the same way as the screen effect of the student terminal (4).
  • the handwriting data includes text, an image, data referenced from a DB, and the like, without particular limitation.
  • the instructor can directly enter text and images, and enter the DB reference information so that the data referenced from the DB can be output as explanatory material.
  • the online lecture progress unit 22 may include an instructor data receiver 221 for receiving the lecture contents input by an instructor and a student data receiver 222 for receiving the lecture participation contents of a student inputted by a student.
  • the apparatus may further include a voice providing unit 223 for delivering voice data of the instructor and the student to each other, and a screen providing unit 224 for transferring control events and writing data of the instructor and the student to each other.
  • the instructor data receiving unit 221 receives lecture contents of a voice, a control event, and handwritten data input by the instructor during the online lecture from the instructor terminal 3.
  • the student data receiver 222 receives a lecture content of a voice, a control event, and handwritten data input by the student during the online lecture from the student terminal 4.
  • the instructor data receiving unit 221 and the student data receiving unit 222 receives data including an identifier for distinguishing whether the shared data or personal data for the received data.
  • the voice providing unit 223 receives voice data input from the instructor terminal 3 or the student terminal 4 and provides the voice data to be shared between the instructor and the entire students.
  • the screen providing unit 224 receives the lecture contents of the control event and the writing data input from the instructor terminal 3 or the student terminal 4 to be shared between the instructor and the entire students.
  • the voice providing unit 223 and the screen providing unit 4 are delivered to the other party only when the lecturer or student inputs the lecture contents as shared data, and is not delivered to the other party when the lecturer or student inputs the lecture contents. It is output only from the terminal of the individual.
  • the screen data already transmitted to all users as shared data is canceled (eg, undo)
  • the canceled instructor or student's shared data is canceled for all users.
  • the cancellation of personal data is of course only canceled for the terminal of the individual. Therefore, when the instructor or student selects the data on the screen and requests cancellation, the lecture server 2 checks what data is requested at the time of input and then cancels the shared data or personal data.
  • the screen providing unit 224 generates and provides control event and writing data of the lecture content as extensible markup language (XML) data.
  • the XML data may include a user ID, location information and display information of textbook data, an identifier for distinguishing shared data from personal data, a writing location, writing contents, size of writing contents, pen color and thickness, data information of a referenced database, and the like. It may include.
  • the synchronization information recording unit 23 records the contents of the lecture, including voice, control events, and handwriting data of the instructor and the student generated during the online lecture, in synchronization with the lecture time.
  • the synchronization information recording unit 23 may record the contents of the lecture of the control event and the writing data as XML data and store them in the DB as described above.
  • the synchronization information recording unit 23 since the synchronization information recording unit 23 records the lecture contents as XML data in the DB, after the online lecture is finished, the synchronization information recording unit 23 edits the XML data stored in the DB at the request of the instructor or the student (eg, generation, inquiry, Edit, delete). For example, when the instructor confirms that there has been a writing in the lecture contents, the synchronization information recording unit 23 provides XML data of the writing contents stored in the DB to receive the writing data of the correction of the coming errors from the instructor. You can update it. Of course, it is also possible that the synchronization information recording unit 23 adds a new description or DB reference material. If the instructor revises the shared data, the revised data may be made available to all students since the time of the revision. In addition, the student may add or change a handwritten memo input as personal data in the course of taking the lecture again after the online lecture is completed. Therefore, students can complete their own learning by editing notes or notes as needed during the course.
  • the lecture server 2 receives lecture content data from the lecturer terminal 3 and the student terminal 4 based on the XMPP protocol, and provides voice data and XML data to the lecturer terminal 3 and the student terminal 4. .
  • the lecture content had to be recorded as a video and had to go through the encoding process.
  • the encoded video data is provided to the user terminal through the streaming server.
  • video production equipment, encoding equipment, streaming server equipment is expensive.
  • the lecture server 2 of the present invention automatically produces time-synchronized information about lecture textbooks as lecture contents, the size of data contents can be reduced to 1/400 compared to the existing video streaming method. Therefore, the disadvantage of the video streaming service that is vulnerable to the network situation can be compensated.
  • the lecturer or student can easily modify the XML data, as described above, so that the contents of the lecture can be edited rather than a series of editing procedures such as re-shooting and encoding video streaming data. It is very economical in terms of cost and cost.
  • FIG 4 is an exemplary diagram of synchronization information recorded by the lecture server 2 according to an embodiment of the present invention.
  • the lecture server 2 receives the lecture contents from the lecturer terminal 3 and records synchronization information.
  • the lecturer data receiving unit 221 of the lecture server 2 receives voice data, control events, and writing data from the lecturer terminal 3 as lecturer data.
  • the lecture server 2 then records the received voice data into a voice file.
  • the lecture server 2 records the received control event and the writing data as XML data.
  • the recorded XML data may be stored in the lecture server 2 as a DB.
  • the lecture server 2 records time stamp information that is time-synchronized with the voice file during the lecture time and includes reference information of the XML data corresponding to the time information.
  • the reference information is access information that can inquire XML data from the DB of the lecture server 2 using the lecture time as a key.
  • the lecture server 2 records the synchronization information composed of the voice file, the XML data, and the time stamp during the online lecture.
  • the lecture server 2 may record a one hour audio file.
  • the XML data is recorded for each event of changing the screen data of the instructor terminal 3 in one hour.
  • the time information and the reference information of the XML data are recorded as time stamp information corresponding to the occurrence event of each XML data.
  • the lecture server 2 After the online lecture is finished, the lecture server 2 provides the synchronization file of the recorded online lecture as a content file according to a user's request.
  • the student terminal 4 receives the XML data retrieved from the DB of the lecture server 3 using the reference information of the XML data included in the time stamp. If the XML file is locally referenced, the student terminal 5 receives the XML data together when downloading the synchronization data.
  • the case where the student terminal 4 receives the content file and retakes the online lecture is as follows.
  • the XML file is a network reference from the DB of the lecture server 2.
  • the student terminal 4 receives the synchronization information from the lecture server 2 using the application 400 for re-taking after the completion of the online lecture and executes the received synchronization information.
  • the application 400 reproduces the voice file data on the lecture teaching material data loaded on the screen and outputs the voice.
  • the application 400 receives XML data that is inquired from the DB of the lecture server 2 with reference to the time stamp information that is time synchronized with the output voice data. Then, the application 400 controls the display of the textbook data using the control event of the received XML data, and displays the writing content on the screen using the writing data.
  • the application 400 displays the time stamp information in the form of a bar, and outputs the contents of the lecture text, voice data, and writing data of the corresponding time location when a specific time location is selected by the student. can do. That is, the student may select a desired time position in the course of playing the lecture content and move to the corresponding lecture content, and may repeatedly learn from the moved position.
  • the instructor terminal 3 downloads and installs the instructor application 300.
  • the student terminal 4 downloads and installs the student application 400.
  • the instructor terminal 3 and the student terminal 4 may take the online lectures by executing the respective applications 300 and 400, and download the lecture contents after the completion of the online lectures to retake the lectures.
  • the lecture server 2 receives the online lecture teaching material from the instructor terminal 3 connected to the home page 200 (S21).
  • the lecture server 2 provides an online lecture service to the instructor terminal 3 and the entire student terminal 4 connected to the home page 200 (S22).
  • the online lecture service is a lecture server 2 which transmits lecture content data input by a lecturer and a student in real time between lecturers and students based on the lecture textbook screen displayed on the lecturer terminal 3.
  • the lecture content data includes voice data, control events, and writing data input to the lecture textbook.
  • the lecture server 2 receives the lecture contents of the instructor and stores in the DB (S221).
  • the lecture server 2 provides the contents of the received lecturer's lectures to the entire student terminal 4 in the online course. Then, the screen information and the voice information input to the instructor terminal 3 is output from the entire student terminal 4 connected to the online lecture (S222).
  • the lecture server 2 receives the contents of the lecture that the student participates and stores in the DB (S223).
  • the lecture server 2 provides the lecturer terminal 3 and the other student terminal 401 with the received student's participation in the lecture.
  • the voice or screen information input by the student terminal 4 is output in the same manner in the instructor terminal 3 and the other student terminal 401 (S224).
  • the lecture content transmitted in real time between the instructor and the entire students above is limited to the case where the instructor or the student inputs the identifier by specifying the shared data. That is, when the instructor or the student inputs the data by designating the identifier of the personal data, the voice or the screen is output only on the screen of the personal terminal and is not shared with others.
  • the lecture server 3 After the online lecture is finished, when the lecture server 2 is requested to download the lecture contents from the student terminal 4, the lecture server 3 sends the lecture contents the voice file and the time stamp information of the lecture contents recorded as the synchronization information. As provided to the student terminal (4) (S24). Then, the student terminal 4 may output the voice data and the screen data that is time-synchronized after displaying the lecture teaching material on the screen in response to the request for re-taking the student.
  • FIG. 6 is a detailed flowchart of a process in which the student terminal 4 takes an online lecture in real time in FIG. 5.
  • the student terminal 4 may execute the application 400 to receive a list of all the lectures opened from the home page 200 and to register for the individual lectures.
  • the lecture teaching material data is displayed on the screen of the application 300 (S32).
  • the instructor terminal 3 and the whole student terminal 4 connected to the online lecture display the lecture teaching material data on the screen and are shared with each other on the basis of the screen of the instructor terminal 3.
  • lecture contents such as voice input, control event generation, and handwriting input
  • lecture contents are input from the lecturer terminal 3, and the lecture proceeds.
  • the lecture contents input by the instructor as shared data are received by the lecture server 2 and transmitted to the entire student terminal 4 as voice data and XML data.
  • the application 400 receives and outputs voice data of the instructor and other students (S34).
  • the application 400 receives the XML data generated by the instructor and other students and outputs to the screen (S35).
  • the application 400 receives the voice data of the student and transmits it to the lecture server 2 (S35). In addition, the application 400 receives the student's handwriting data and transmits it to the lecture server 2 (S36). If the lecture content input by the student is shared data, the shared data is transmitted to the instructor terminal 2 and the other student terminals 401.
  • FIG. 7 is a detailed flowchart of a process in which the student terminal 4 downloads and plays lecture contents after completion of an online lecture in FIG. 6.
  • the application 400 of the student terminal 4 receives a list of lecture contents for which online lectures are completed from the lecture server 2, selects specific lecture contents, and requests a download. Then, the application 400 downloads the selected lecture content from the lecture server 2 (S301).
  • the application 400 When playback of the downloaded lecture content is selected, the application 400 displays lecture textbook data on the screen (S302). The application 400 plays the voice file of the downloaded lecture content (S303).
  • the application 400 reads reference information of XML data synchronized with the playback time of the voice file from the time stamp information of the downloaded lecture content (S304). If the application 400 reads the reference information corresponding to the specific lecture time according to the course time of the lecture, the reference information is used to access the XML data of the lecture contents and analyze the contents (S305), and the application XML The control event and the writing data analyzed using the data are displayed on the screen (S306).
  • the term " ⁇ part" is not used to mean a hardware division of the lecture content providing system (1). Therefore, a plurality of components may be integrated into one component, or one component may be divided into a plurality of components.
  • the component may mean a hardware component, but may also mean a component of software. Therefore, it is to be understood that the present invention is not particularly limited by the term "part”.

Abstract

La présente invention concerne un système pour fournir un contenu de cours et un procédé pour fournir un contenu de cours, lesquels relaient des détails de cours sur des matériels de cours en ligne générés au niveau du terminal de l'enseignant de façon à mener un cours en ligne et à enregistrer les détails de cours sous la forme d'informations synchronisées. Le système pour fournir un contenu de cours selon la présente invention comprend un serveur de cours comprenant : une unité d'enregistrement de matériel de cours conçue pour recevoir l'enregistrement de données de matériel de cours ; une unité de réalisation de cours en ligne conçue pour recevoir, en provenance du terminal de l'enseignant et du terminal de l'élève, des détails de cours comprenant des données audio, des évènements de commande et des données écrites générées pour les données de matériel de cours affichées sur l'écran du terminal de l'enseignant, et les distribuer entre l'enseignant et l'élève ; une unité d'enregistrement d'informations synchronisées pour une synchronisation à temps et enregistrer les données de détails de cours générées par le terminal de l'enseignant pendant un cours en ligne ; et une unité de fourniture de contenu conçue pour fournir les données de matériel de cours et les informations synchronisées enregistrées après la réalisation d'un cours en ligne. Selon la présente invention, des détails de cours sur un matériel de cours, qui sont synchronisés à temps, sont délivrés sous la forme d'un élément audio ou sur un écran, et le contenu de cours est fourni sous la forme d'une petite quantité de données.
PCT/KR2013/001623 2012-04-12 2013-02-28 Système pour fournir un contenu de cours à l'aide de matériels de cours et de données synchronisées, et procédé pour fournir un contenu de cours WO2013154267A1 (fr)

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KR1020120037797A KR20130115484A (ko) 2012-04-12 2012-04-12 강의 교재와 동기되는 데이터를 이용하는 강의 컨텐츠 제공 시스템 및 강의 컨텐츠 제공 방법
KR10-2012-0037797 2012-04-12

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KR20220157122A (ko) 2021-05-20 2022-11-29 (주) 이즈커뮤니케이션즈 다자간의 비실시간 커뮤니케이션 방법
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